A 30-year IBM veteran, she added marketing and strategy oversight to her role last year. The move positioned her as one of the company's top two candidates to replace current CEO Sam Palmisano, and it worked. Rometty will be Big Blue's next CEO, replacing Palmisano in January.
Boardroom battles and power plays shaped this year's U.S. list, which boasts eight new faces and -- surprise! -- a new No. 1.
|Compromise between Amazon and Simon & Schuster|
|Labor trafficking in America: Victims enslaved in plain sight|
|Total CEO dies in plane crash|
|Wealth is outpacing income...and that's a scary sign|
|Media habits of liberals, conservatives: 'different worlds'|